:Product: Solar Region Summary
:Issued: 2025 Oct 18 0030 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar Region Summary
SRS Number 291 Issued at 0030Z on 18 Oct 2025
Report compiled from data received at SWO on 17 Oct
I. Regions with Sunspots. Locations Valid at 17/2400Z
Nmbr Location Lo Area Z LL NN Mag Type
4246 N24W81 289 0700 Ekc 11 16 Beta-Gamma-Delta
4248 N07W54 262 0380 Eki 11 10 Beta-Gamma
4250 N04W45 253 0010 Axx 01 01 Alpha
4252 S13E01 207 0100 Cso 04 03 Beta
4254 N11E33 175 0060 Hsx 01 01 Alpha
4255 S08E26 182 0010 Bxo 04 02 Beta
4256 S15E52 156 0060 Cso 06 06 Beta
4257 S08E75 133 0060 Hsx 02 01 Alpha
IA. H-alpha Plages without Spots. Locations Valid at 17/2400Z Oct
Nmbr Location Lo
4249 S20W50 258
4251 N19W29 237
4253 S17W80 288
II. Regions Due to Return 18 Oct to 20 Oct
Nmbr Lat Lo
4236 N10 082
Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the
Product Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact
SWPC Help.